I have before had occasion to observe, that a right always includes a duty, and I think it may, likewise fairly be inferred, that they forfeit the right, who do not fulfil the duty.
In theory, you can apply for worker's compensation, programs under which injured workers lose their ability to sue, but in exchange, can get money to cover medical treatment and lost wages.
Here, the plaintiff's recovery is reduced by their percentage of fault, but if their fault reaches a certain level, they're completely barred from recovering anything.